MX2020008794A - Metodo de comunicacion. - Google Patents

Metodo de comunicacion.

Info

Publication number
MX2020008794A
MX2020008794A MX2020008794A MX2020008794A MX2020008794A MX 2020008794 A MX2020008794 A MX 2020008794A MX 2020008794 A MX2020008794 A MX 2020008794A MX 2020008794 A MX2020008794 A MX 2020008794A MX 2020008794 A MX2020008794 A MX 2020008794A
Authority
MX
Mexico
Prior art keywords
magnetic field
earth
communicating
pulse train
frequency
Prior art date
Application number
MX2020008794A
Other languages
English (en)
Spanish (es)
Inventor
Gerhard Brink Louw
Original Assignee
Detnet South Africa Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Detnet South Africa Pty Ltd filed Critical Detnet South Africa Pty Ltd
Publication of MX2020008794A publication Critical patent/MX2020008794A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B13/00—Transmission systems characterised by the medium used for transmission, not provided for in groups H04B3/00 - H04B11/00
    • H04B13/02—Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/125—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using earth as an electrical conductor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition
    • F42D1/05—Electric circuits for blasting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B2001/6912—Spread spectrum techniques using chirp

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Fluid Mechanics (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Near-Field Transmission Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radio Relay Systems (AREA)
MX2020008794A 2018-05-17 2019-03-26 Metodo de comunicacion. MX2020008794A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201803286 2018-05-17
PCT/ZA2019/050013 WO2019222772A1 (en) 2018-05-17 2019-03-26 Method of communicating through the earth using a magnetic field

Publications (1)

Publication Number Publication Date
MX2020008794A true MX2020008794A (es) 2020-10-08

Family

ID=66103066

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020008794A MX2020008794A (es) 2018-05-17 2019-03-26 Metodo de comunicacion.

Country Status (11)

Country Link
US (1) US11394470B2 (pl)
EP (1) EP3794736B1 (pl)
AU (1) AU2019271503B2 (pl)
BR (1) BR112020019340A2 (pl)
CL (1) CL2020002136A1 (pl)
CO (1) CO2020011648A2 (pl)
ES (1) ES2925573T3 (pl)
MX (1) MX2020008794A (pl)
PL (1) PL3794736T3 (pl)
WO (1) WO2019222772A1 (pl)
ZA (1) ZA202004324B (pl)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005315858A (ja) * 2004-03-31 2005-11-10 Sun Tec Kk 光パルス評価装置およびインサービス光パルス評価装置
US8902346B2 (en) * 2012-10-23 2014-12-02 Intersil Americas LLC Systems and methods for controlling scanning mirrors for a display device
GB2551066B (en) * 2015-02-26 2020-11-04 Halliburton Energy Services Inc Frequency sweeps for encoding digital signals in downhole environments
US9838679B2 (en) * 2015-07-28 2017-12-05 Viavi Solutions Inc. Distance to fault measurements in cable TV networks

Also Published As

Publication number Publication date
CO2020011648A2 (es) 2020-11-20
US20210218479A1 (en) 2021-07-15
EP3794736B1 (en) 2022-05-18
AU2019271503A1 (en) 2020-12-03
BR112020019340A2 (pt) 2021-01-05
CA3094103A1 (en) 2019-11-21
AU2019271503B2 (en) 2022-03-10
US11394470B2 (en) 2022-07-19
PL3794736T3 (pl) 2022-09-19
WO2019222772A1 (en) 2019-11-21
ES2925573T3 (es) 2022-10-18
EP3794736A1 (en) 2021-03-24
ZA202004324B (en) 2021-07-28
CL2020002136A1 (es) 2020-10-23

Similar Documents

Publication Publication Date Title
WO2013023002A3 (en) Phase-synchronized buried object locator apparatus, systems, and methods
SG10201805247VA (en) Hybrid timing recovery
WO2015168487A3 (en) Pairing devices using acoustic signals
DK201370680A (en) Device and Method for Continuous Data Acquisition
GB2543184A (en) Acoustic calipering and analysis of annulus materials
WO2011127280A3 (en) Method and apparatus for clock synchronization
MX369391B (es) Control de herramientas de yacimiento de petroleo utilizando multiples señales magneticas.
GB2525115A (en) Apparatus and method for communication between downhole components
GB2545861A (en) Combined NMR-resistivity measurement apparatus, systems, and methods
EP2894496A3 (en) Ultrasonic logging methods and apparatus for measuring cement and casing properties using acoustic echoes
EP2746804A3 (en) Method, device, and system for compensating synchronization error
WO2015159149A3 (en) Method and apparatus for modeling and separation of primaries and multiples using multi-order green's function
SA518391940B1 (ar) عملية ضبط انحراف ساعة يتم تنفيذها بالبيانات
MX2017006762A (es) Metodo y aparato de adquisicion sismica de baja frecuencia.
PH12019500005A1 (en) Method and device for signal detection
MX2015010237A (es) Eliminacion de efectos de anillo de formas de ondas sonicas.
GB2525110A (en) Method of processing positioning signals in positioning systems to accurately determine a true arrival time of each signal
ZA202000931B (en) System and method for interference reduction in radio communications
MX382626B (es) Método y aparato para generar señales ofdm nb-iot con un régimen de muestreo inferior.
GB2535082A (en) Magnetic monopole ranging system and methodology
GB2528117A8 (en) Method and apparatus for instantaneous positioning and timing without initial information
WO2015162493A3 (en) Systems and methods for multiple bandwidth electromagnetic geophysical exploration
MX2017013442A (es) Generacion de pulsos mejorada para adquisicion de registros en el fondo del pozo.
MX2020008794A (es) Metodo de comunicacion.
MX359714B (es) Mediciones de exploracion a gran distancia utilizando señales moduladas.